Home / 316,676-664,072

Finding the Third Proportional to 316,676 and 664,072

Calculator

Solution

The third proportional to 316,676 and 664,072 is: 1,392,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,676 : 664,072 = 664,072 : x
  2. Step 2: Convert to fraction form
    316,676/664,072 = 664,072/x
  3. Step 3: Cross multiply
    316,676x = 664,072 × 664,072
  4. Step 4: Simplify right side
    316,676x = 440,991,621,184
  5. Step 5: Solve for x
    x = 440,991,621,184/316,676
  6. Step 6: Final answer
    x = 1,392,564.08

Related Problems

Find third proportional to 158,338 and 332,036
Half scale
Find third proportional to 633,352 and 1,328,144
Double scale
Find third proportional to 316,678 and 664,076
Similar ratio
Find third proportional to 475,014 and 996,108
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.